Home / 1,288.39-1,932.91-595.55

Finding the Fourth Proportional to 1,288.39, 1,932.91 and 595.55

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Solution

The fourth proportional to 1,288.39, 1,932.91 and 595.55 is: 893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.39 : 1,932.91 = 595.55 : x
  2. Step 2: Convert to fraction form
    1,288.39/1,932.91 = 595.55/x
  3. Step 3: Cross multiply
    1,288.39x = 1,932.91 × 595.55
  4. Step 4: Simplify right side
    1,288.39x = 1,151,144.55
  5. Step 5: Solve for x
    x = 1,151,144.55/1,288.39
  6. Step 6: Final answer
    x = 893.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.